1 Product identity

Ingredient risk

1 ingredient to use with caution

Extreme NOS Pumped Nitro-Grape

Name: Extreme NOS Pumped Nitro-Grape
Brand: MET-Rx

BrandMET-Rx→Other Combinations Liquid 25 ingredients 1 caution DSLD #33702

Net contents: 20 fl. Oz.

Target: Adults and Children 4 years and above

DSLD entry: 2014-05-23

2 Ingredients (25)

IngredientGroupSafety

CaloriesCalories—

Total CarbohydratesCarbohydrate—

SugarSugar—

GlycerinGlycerol—

Arginine ComplexBlend (Combination)—

Citrulline MalateCitrulline malateGenerally Safe

CaffeineCaffeineUse with Caution

NiacinNiacinConditionally Safe

SodiumSodiumConditionally Safe

PotassiumPotassiumConditionally Safe

Extreme NOS Pumped ComplexBlend (Combination)—

WaterWater—

L-ArginineArginine—

Natural and Artificial flavorsFlavor—

Phosphoric AcidPhosphoric Acid—

Citric AcidCitric Acid—

Potassium SorbatePotassium sorbate—

Sodium BenzoateSodium Benzoate—

Potassium CitratePotassiumConditionally Safe

SucraloseSucraloseConditionally Safe

L-Arginine Alpha-KetoglutarateArginine Alpha Ketoglutarate—

Acesulfame PotassiumAcesulfame potassium—

NiacinamideNiacinConditionally Safe

FD&C Red No.40Color—

FD&C Blue No.1Color—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Caffeine (Anhydrous) 🇬🇧 🇪🇺 🇦🇺 — High caffeine warnings mandatory on products >150 mg/L.

3 Safety cross-reference

Citrulline malate — Generally Safe

⚠ GI discomfort at high doses

⚠ May lower blood pressure

Caffeine (Anhydrous) — Use with Caution

Niacin — Conditionally Safe

⚠ Flushing at >50 mg

⚠ Hepatotoxicity at high doses

Sodium — Conditionally Safe

⚠ Hypertension

⚠ Fluid retention

Potassium — Conditionally Safe

⚠ Hyperkalemia risk

⚠ Dangerous with ACE inhibitors

L-Arginine — Limited Evidence

⚠ Hypotension

⚠ May worsen herpes outbreaks

Sucralose — Conditionally Safe

⚠ May affect gut microbiome

⚠ Heating may produce chlorinated compounds

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID33702

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2014-05-23

6 More from MET-Rx

View MET-Rx Safety Scorecard → 82 products

100% Micellar Casein Chocolate 100% Micellar Casein Vanilla Active Multi Packs Amino 2400 Wild Cherry Amped ECN NOS Concentrate Lemon-Lime Amped ECN NOS Grape Bubblegum

7 Cite this page

Vancouver

Pkhakadze G. Extreme NOS Pumped Nitro-Grape — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Oct 16]. Available from: https://supplement.ge/products/extreme-nos-pumped-nitro-grape-33702/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG